Non-parametric and region-based image fusion with Bootstrap sampling

  • Authors:
  • Mourad Zribi

  • Affiliations:
  • Université du Littoral Côte d'Opale, Maison de la recherche Blaise Pascal, Laboratoire d'Analyse des Systèmes du Littoral (LASL-UPRES 2600), 50 rue Ferdinand Buisson, B.P. 699, 6222 ...

  • Venue:
  • Information Fusion
  • Year:
  • 2010

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Abstract

Image fusion refers to the techniques that integrate complementary information from multiple image sensors' data in a way that makes the new images more suitable for human visual perception and reduces computation processing tasks. In this paper, we propose a non-parametric and region-based image fusion based on the Bootstrap sampling (BS) principle, which reduces the dependence effect of pixels in real images and minimizes the fusion time. Given an original image, we randomly select a small representative set of pixels. In the statistical image formation model, image sensors are described as the true scene corrupted by additive non-Gaussian distortion. Then, a Non-parametric Expectation-Maximization (NEM) algorithm would be used to estimate both the model parameters and the fused image. The non-parametric aspect comes from the use of the orthogonal series' estimator. Obtained results show that the BS method gives better results than the classical one, both for fused image quality as well as for computation time.